Home / 127,129.76-190,620.79-48,200.93

Finding the Fourth Proportional to 127,129.76, 190,620.79 and 48,200.93

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Solution

The fourth proportional to 127,129.76, 190,620.79 and 48,200.93 is: 72,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,129.76 : 190,620.79 = 48,200.93 : x
  2. Step 2: Convert to fraction form
    127,129.76/190,620.79 = 48,200.93/x
  3. Step 3: Cross multiply
    127,129.76x = 190,620.79 × 48,200.93
  4. Step 4: Simplify right side
    127,129.76x = 9,188,099,355.33
  5. Step 5: Solve for x
    x = 9,188,099,355.33/127,129.76
  6. Step 6: Final answer
    x = 72,273.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.